PH-1632
Magnetic effect of a current
Physics · Secondary 4 · Easy · Magnetic effect of a current
A straight wire carries a current vertically upwards and passes through a horizontal card. A small plotting compass is placed on the card to the east of the wire. What is the direction of the magnetic field at the position of the compass?
- Towards the south
- Towards the north
- Towards the east
- Towards the west
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